----------------------------Original message----------------------------
From Infomine Maps database:
Bureau of Land Management GCDB Home Page
Welcome to the BLM's Geographic Coordinate Data Base (GCDB) home page.
You will find information about our
collection of public land survey geographic coordinates files. ------File
Formats, sample data files, contacts, and
ARC AML------All these htmls, sample files and wordperfect versions of
the htmls can be found at
ftp.blm.gov/pub/gis/gcdb/gcdb.zip------ The Bureau of Land Management
(BLM) began collection of the
Geographic Coordinate Data Base (GCDB) in 1989. The GCDB is a portrayal
of the Public Land Survey System.
GCDB is computed from BLM survey records (Survey Plats and field notes)
and other survey control. GCDB is
computed on a township basis. The township, sections, aliquot parts, lots
and special surveys (such as tracts, indian
allotments, mineral surveys) are typically collected. At this time, BLM
is still performing data collection of the GCDB
and therefore does not have complete GCDB coverage of the western United
States. However, we do have a
production database that lists the townships being collected, and some of
the states have a map portraying where
townships have been collected to date.
URL: http://www-a.blm.gov/gcdb/
----------------------------Original message---------------------------- Can
anyone lead me to electronic versions of township/range survey lines, down to
the section level, for California (San Joaquin valley)? I'd like these in
MapInfo format (.tab, .mif, etc.) or Arc format (something that I can eventually
get into ArcView, like shapefiles, Import files, etc.).
Or, any electronic file such as a spreadsheet that has some sort of coordinate
(lat/long, UTM, etc.) for township/range sections, so they can be easily
geocoded.
thanks,
Mark
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Mark Thomas
| Yet there's not a train I Perkins Library, Duke
University | wouldn't take 919-660-5853 / FAX: 919-684-2855 | No
matter where it's going [log in to unmask] | --Edna St.
Vincent Millay
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>From: Mark Thomas <[log in to unmask]>
>Subject: electronic Township/Range files
>Comments: cc: Petrea Ruth Moyle <[log in to unmask]>
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